Valve



Feb. 2, 1932. w. SCOTT 1,843,461

' VALVE Filed Oct, 2, 1950 INVE +EI R:

unew Said wmmgr wfaike A+|'ys Patented. Feb. 2, 1932 ETEE Ker-Ares Y wI'LLIAMsoomw, or MEnFoRn, MASSACHUSETTS VALVE Application filed October a 1930. seriaino. 425,914.

tank and its admission thereto is controlledby a suitable ball cock. A flushingvalvecontrols the discharge of water from the tank tofiush the "bowl and refill ther same.

When the flushing Valve is operated a por-' tion of the water should' pass throughthe bowl for flushing purposes and another portion should pass into the bowl and remain 3 there to assure a proper refill of the bowl. :In the absence of some special provision for controlling the flow of water into the bowl,

an effective resealing of the trap does not occur. I ,7 It is an object of the present-lnvention to provide a flushing .valve of simple construc-' tion adapted to control the flow of I water from the tank to the bowl to assure the maintenance of a predetermined quantity ofrefill water in the bowl. v s

It is another object I of the invention to provide a flushing valvewhich operatesautomatically to retard the flow of water from the tank to the bowl at the end of the fiushing operation to permit a predetermined quantity of water to flow slowly into the bowl for refill purposes;

Before explaining in detail the present inv vention, it is to be -understood that the invention is not limited inits application to the details of construction and arrangement of parts illustrated in the accompanying drawings, since the invention is capable-"of other embodiments and of being practised or carried out in various ways. Also it is to be understood that the phraseology or terminology employed herein is for the purpose of description and not of limitation, and it is not intended to limit the invention beyond the terms of the several claims hereto ape pended as considered in view of the prior art and the requirements thereof.

The invention will be more clearly understood from the following description in conjunction withthe accompanyingv drawings: in which, 7 I b Fig. 1 is asectional elevational view of a tank having a discharge passage controlled by a flushing valve embodying the invention; j 1

Figs. 2 and 8,, are, sectional elevational views of theflushing valve. of theinvention illustrating the relationof the parts-during different positions in its .ope'ratiomand Fig. 4 is asectional view taken upon the line 'fl l -of Fig. 2. a

ratus .is shown illustrating; one embodiment of the invention and comprises a tanklO,

adapted to contain a predetermined quantity I In'the accompanying drawings an appaof water, 11. The water 11' is introduced" through an inlet pipe 12 and its quantity'is controlled by a suitableball'cock 13.-- Ajdischarge p1pe 15 connects the tank with the;

bowl (not shown) of usual oonstructiongand is provided with a branch 16 to which an overflowpipelf is connected. 7 v

In ,accordancewith the invention the flow of-water through .the discharge pipe. is

controlled by aflushing valve 18 which is arranged to partially close the disoharge pipe automatically when the water level in the tank has reached a predetermined level-to. permit a predeterminedquantity of water to fiowslowly fromthe tank to the bowl andthen completely close the discharge pipe.

The valve 18 may comprise a hollow float 20 having a rod21 fixed therein and connected at its lower end to a disk 22 having a threaded boss 28 secured in a socket 24 on the endof a spindle 25. The upper end of the spindle 25 engages a disk 26 which holdsa valve packing 27 against the bottom of the disk 22. The movement of the spindle 25 is guided by a sleeve 30' suspended by cross bars 31 within the discharge pipe 15. Adisk or valve member 33 surrounds and is movably: mounted upon the upper end portion of the spindle 25 and normally is supported by a shoulder 34jon the spindle 25; In this manner the valve members 27 and 33 are normally held in. a predetermined spaced relation. The valve member 27 is adapted to cooperate with a valve seat 35 formed upon the top edge of the discharge pipe 15 to completely close the same and the valve member 33 is adapted to be seated upon spaced lugs 36 extending inwardly from the inner wall of the discharge pipe 15 near the upper end thereof so as to provide a restricted annular passage 37 between the outer edge of the disk 33 and the inner surface of the discharge pipe 15.

A rod 40 is suitably secured to the upper end of the rod 21 and is connected through the link 41 to one end of an operating lever 42 suitably pivoted in the usual manner for lifting the flushing Valve 18. A pin 43 passing through the spindle 25 is adapted to engage the lower end of the sleeve 30 and thereby limit the upward movement of the flushing valve 18.

Normally the valve member 27 engages the seat 35 to completely close the discharge pipe 15. The water level in the tank 10 under normal conditions is indicated by the dotted line a at which time the ball cook 13 is closed preventing the entrance of additional water into the tank through the inlet 12. WVhen the lever 421s actuated to lift the float 20 the valve members 27 and 33 are raised from their respective seats, the former being carried by thefloat and the latterresting in spaced relation thereto upon the shoulder 34:. The valve members 27 and 33 are maintained in such raised position due to the buoyancy of the float 20. The water in the tank 10 then flows through the discharge pipe 15 and through the bowl (not shown) to flush the same.

When the water levelin thetank 10 has reached the point indicated by the dotted line b the float 2O has descended an amount such as to bring the disk valve member 33 into engagementwith the lugs36 forming a seat therefor (Fig. 2) thus restricting the opening into the discharge pipe so that any further passage of Water from the tank 10 to the bowl must pass through the annular passageway 37. As a result, the flow of water into the bowl is greatly reduced and is insuflicient to continue discharging action through the bowl. Consequently, this water collects in the bowl for refilling purposes and continues to flow therein until the float 20 has descended to a point sufiicient to bring the valve member 27 into engagement with its seat 35 and prevent further discharge of water from the tank.

I claim:

1. In a flushing valve fixture, a tank adapt ed to store a predetermined amount of water, an outlet pipe fromsaid tank, a valve arranged to close said outlet first partially and then completely, and means for controlling the closure of said valve in response to the water level in said tank.

2. I11 a flushing valve fixture, a tank adapted to store a predetermined amount of water,

an outlet pipe from said tank having a valve seat, a float within said tank, a valve member connected with said float adapted to cooperate with said seat to close said outlet pipe, and means controlled by the water level in said tank for partially closing said outlet pipe when the water level in the tank is lowered to a predetermined level.

3. In a flushing valve fixture, a tank adapted to store a predetermined amount of water, an outlet pipe from said tank having a valve seat, a float within said tank, a valve member connected with said float and adapted to cooperate with said seat to close said outlet pipe, andmeans for partially closing said outlet pipe when the water level in the tank is lowered to a predetermined level.

4. In a flushing valve fixture, a tank adapted to store a predetermined amount of water, an outlet pipe from said tank having a pair of valve seats, a pair of valve members adapted to cooperate with said seats, one of said valve members being adapted to close said outlet partially and the other being adapted to close said outlet completely, and means for moving said valve members successively into engagement with their seats first to close said outlet partially and then completely.

5. In a flushing valve fixture, a tank adapted to store a: predetermined amount of water, an outlet pipe from said tank having a valve seat, a float within said tank, an upper valve member carried by said float and adapted to cooperate with said seat to close said pipe, a spindle depending from said float and projecting into said pipe, a lug projecting from the inner wall of said pipe, a lower valve member movably carried by said spindle adapted to engage said lug to partially close said outlet pipe, and means for spacing said'valve members a predetermined distance apart when out of engagement with said seat and lug.

6. In a flushing valve fixture, a tank adapted to store a predetermined amount of water, an outlet from said tank, a float within said tank having a depending spindle guided for movement in said pipe, a lower valve member movably mounted on said spindle and normally resting upon a shoulder thereon, and an upper valve member carried by said float between the same and said lower valve member, said lower valve member being adapted to close said outlet partially and said upper valve member being adapted to close said outlet completely.

In testimony whereof I aflix my signature.

WVILLIAM SCOTT. 

